Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Volkswagen MK4 Engine Emission Parts

Sort By
Filter By
Return to Top
ES#2681624 - 1K0998262B -  Oxygen Sensor - Located after the catalytic converter - Bosch - Volkswagen

Located after the catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2681624
Mfg#:
1K0998262B
In Stock at Vendor
$144.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#275195 - 038131512J - Exhaust Gas Cooler - With control flap - Genuine Volkswagen Audi - Volkswagen

With control flap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 2004-2005 model years, BEW engine codes

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275195
Mfg#:
038131512J
Ships in 3 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$753.99

This product was last offered at the strikethrough price on
02-26-2026

$702.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#258890 - 06A145675D - Vacuum Pipes Set - Vacuum Reservoir - Metal pipes and rubber hose ends that come off the vacuum reservoir and FPR - Genuine Volkswagen Audi - Audi Volkswagen

Metal pipes and rubber hose ends that come off the vacuum reservoir and FPR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AWW or AWP engine codes only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258890
Mfg#:
06A145675D
Ships in 4 Business Days
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$366.99

This product was last offered at the strikethrough price on
06-06-2026

$341.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2702962 - 06A103247KT3 - Emissions Service Kit - Restore your emissions hoses and clear codes - Genuine Volkswagen Audi - Volkswagen

Restore your emissions hoses and clear codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AWP engine code up to production date 6.30.2003

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2702962
Mfg#:
06A103247KT3
Ships in 2 Business Days
$723.99

This product was last offered at the strikethrough price on
02-26-2026

$675.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2103964 - 1J0201550BF9B9 -  Gas Cap  - Replacement fuel tank cap for your vehicle. Tether included. - Genuine Volkswagen Audi - Audi Volkswagen

Replacement fuel tank cap for your vehicle. <font color='red'>Tether included.</font> affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2103964
Mfg#:
1J0201550BF9B9
Ships in 2 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$48.99

This product was last offered at the strikethrough price on
06-06-2026

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3130097 - 010377ECS01-02 -  Silicone Vacuum Hose Kit - Red - Sleek, heavy duty silicone vacuum hoses to eliminate cracked lines or to dress up any 1.8T engine bay! - ECS - Volkswagen

Sleek, heavy duty silicone vacuum hoses to eliminate cracked lines or to dress up any 1.8T engine bay! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3130097
Mfg#:
010377ECS01-02
In Stock
Limited Qty Sale
$93.99

This product was last offered at the strikethrough price on
05-02-2026

$70.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#470518 - N90686701 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 14x12mm - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 14x12mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470518
Mfg#:
N90686701
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147630 - 034-101-5002 - Billet Aluminum Block Breather Adapter - 1.8T - 1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup - 034Motorsport - Audi Volkswagen

1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4147630
Mfg#:
034-101-5002
In Stock
$25.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#257104 - N90704007 - Hex Bolt - Priced Each - Install new hardware with your new parts. M7x55 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x55 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257104
Mfg#:
N90704007
In Stock
$4.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818428 - 06A103213F - Crankcase Breather Tube - Connects the oil filter adapter to the three-way valve housing - Bremmen Parts - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818428
Mfg#:
06A103213F
In Stock
ON SALE! SAVE 10%
$13.99

This product was last offered at the strikethrough price on
05-02-2026

$12.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2772076 - 058133753D - Suction Pump - Restore engine performance - URO - Audi Volkswagen

Restore engine performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with AWW or AWD engine codes only

Brand:
URO - Corporate Logo
ES#:
2772076
Mfg#:
058133753D
In Stock
$28.42

This product was last offered at the strikethrough price on
03-25-2026

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818419 - 058133753D - Suction Pump - Restore engine performance - Bremmen Parts - Audi Volkswagen

Restore engine performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818419
Mfg#:
058133753D
In Stock
ON SALE! SAVE 23%
$16.99

This product was last offered at the strikethrough price on
05-02-2026

$13.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2549999 - 06A959253E - Secondary Air Injection Pump - Keep your engine running efficiently - Pierburg - Audi Volkswagen Porsche

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with VIN from 1J-Y-000 001 only, split is in the 2000 model year

Brand:
Pierburg - Corporate Logo
ES#:
2549999
Mfg#:
06A959253E
In Stock at Vendor
$790.34

This product was last offered at the strikethrough price on
02-21-2026

$594.73 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261091 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe (19mm) - Genuine Volkswagen Audi - Audi Volkswagen

Located on the turbo inlet pipe (19mm) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up to the 2001 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261091
Mfg#:
034129101B
Ships in 1-2 days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$86.99

This product was last offered at the strikethrough price on
06-06-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2708697 - 06A103213F - Breather Hose Connector - Connects the oil filter adapter to the three-way valve housing - URO - Audi Volkswagen

Connects the oil filter adapter to the three-way valve housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708697
Mfg#:
06A103213F
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#251368 - 045131501L - EGR Valve Assembly - Includes sealing gaskets - Wahler - Volkswagen

Includes sealing gaskets affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with ALH engine code only

Brand:
Wahler - Corporate Logo
ES#:
251368
Mfg#:
045131501L
Ships in 3 Business Days
$144.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Emission Parts

Repairing failed emission components doesn't just turn off the check engine light so you can pass your local emissions test, it also improves performance and fuel economy. ECS stocks all common emission controls, from oxygen sensors to PCV valves.

Let us help you find the parts that fit your Volkswagen

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings